<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>CSS3网页齿轮动画加载Loading代码</title>

    <style lang="css">
        .loader_overlay {
            width: 150px;
            height: 150px;
            background: transparent;
            box-shadow: 0px 0px 0px 100vw rgba(255, 255, 255, 0.67),
                10px 10px 19px 10px #fff inset;
            border-radius: 100%;
            z-index: -1;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            margin: auto;
        }

        .loader_cogs {
            z-index: -2;
            width: 100px;
            height: 100px;
            top: -120px !important;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            margin: auto;
        }

        .loader_cogs__top {
            position: relative;
            width: 100px;
            height: 100px;
            -webkit-transform-origin: 50px 50px;
            transform-origin: 50px 50px;
            -webkit-animation: rotate 10s infinite linear;
            animation: rotate 10s infinite linear;
        }

        .loader_cogs__top div:nth-of-type(1) {
            -webkit-transform: rotate(30deg);
            transform: rotate(30deg);
        }

        .loader_cogs__top div:nth-of-type(2) {
            -webkit-transform: rotate(60deg);
            transform: rotate(60deg);
        }

        .loader_cogs__top div:nth-of-type(3) {
            -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
        }

        .loader_cogs__top div.top_part {
            width: 100px;
            border-radius: 10px;
            position: absolute;
            height: 100px;
            background: #f98db9;
        }

        .loader_cogs__top div.top_hole {
            width: 50px;
            height: 50px;
            border-radius: 100%;
            background: white;
            position: absolute;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            margin: auto;
        }

        .loader_cogs__left {
            position: relative;
            width: 80px;
            -webkit-transform: rotate(16deg);
            transform: rotate(16deg);
            top: 28px;
            -webkit-transform-origin: 40px 40px;
            transform-origin: 40px 40px;
            -webkit-animation: rotate_left 10s 0.1s infinite reverse linear;
            animation: rotate_left 10s 0.1s infinite reverse linear;
            left: -24px;
            height: 80px;
        }

        .loader_cogs__left div:nth-of-type(1) {
            -webkit-transform: rotate(30deg);
            transform: rotate(30deg);
        }

        .loader_cogs__left div:nth-of-type(2) {
            -webkit-transform: rotate(60deg);
            transform: rotate(60deg);
        }

        .loader_cogs__left div:nth-of-type(3) {
            -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
        }

        .loader_cogs__left div.left_part {
            width: 80px;
            border-radius: 6px;
            position: absolute;
            height: 80px;
            background: #97ddff;
        }

        .loader_cogs__left div.left_hole {
            width: 40px;
            height: 40px;
            border-radius: 100%;
            background: white;
            position: absolute;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            margin: auto;
        }

        .loader_cogs__bottom {
            position: relative;
            width: 60px;
            top: -65px;
            -webkit-transform-origin: 30px 30px;
            transform-origin: 30px 30px;
            -webkit-animation: rotate_left 10.2s 0.4s infinite linear;
            animation: rotate_left 10.2s 0.4s infinite linear;
            -webkit-transform: rotate(4deg);
            transform: rotate(4deg);
            left: 79px;
            height: 60px;
        }

        .loader_cogs__bottom div:nth-of-type(1) {
            -webkit-transform: rotate(30deg);
            transform: rotate(30deg);
        }

        .loader_cogs__bottom div:nth-of-type(2) {
            -webkit-transform: rotate(60deg);
            transform: rotate(60deg);
        }

        .loader_cogs__bottom div:nth-of-type(3) {
            -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
        }

        .loader_cogs__bottom div.bottom_part {
            width: 60px;
            border-radius: 5px;
            position: absolute;
            height: 60px;
            background: #ffcd66;
        }

        .loader_cogs__bottom div.bottom_hole {
            width: 30px;
            height: 30px;
            border-radius: 100%;
            background: white;
            position: absolute;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            margin: auto;
        }

        /* Animations */
        @-webkit-keyframes rotate {
            from {
                -webkit-transform: rotate(0deg);
                transform: rotate(0deg);
            }

            to {
                -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
            }
        }

        @keyframes rotate {
            from {
                -webkit-transform: rotate(0deg);
                transform: rotate(0deg);
            }

            to {
                -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
            }
        }

        @-webkit-keyframes rotate_left {
            from {
                -webkit-transform: rotate(16deg);
                transform: rotate(16deg);
            }

            to {
                -webkit-transform: rotate(376deg);
                transform: rotate(376deg);
            }
        }

        @keyframes rotate_left {
            from {
                -webkit-transform: rotate(16deg);
                transform: rotate(16deg);
            }

            to {
                -webkit-transform: rotate(376deg);
                transform: rotate(376deg);
            }
        }

        @-webkit-keyframes rotate_right {
            from {
                -webkit-transform: rotate(4deg);
                transform: rotate(4deg);
            }

            to {
                -webkit-transform: rotate(364deg);
                transform: rotate(364deg);
            }
        }

        @keyframes rotate_right {
            from {
                -webkit-transform: rotate(4deg);
                transform: rotate(4deg);
            }

            to {
                -webkit-transform: rotate(364deg);
                transform: rotate(364deg);
            }
        }
    </style>

</head>

<body>

    <div class='loader_overlay'></div>
    <div class='loader_cogs'>
        <div class='loader_cogs__top'>
            <div class='top_part'></div>
            <div class='top_part'></div>
            <div class='top_part'></div>
            <div class='top_hole'></div>
        </div>
        <div class='loader_cogs__left'>
            <div class='left_part'></div>
            <div class='left_part'></div>
            <div class='left_part'></div>
            <div class='left_hole'></div>
        </div>
        <div class='loader_cogs__bottom'>
            <div class='bottom_part'></div>
            <div class='bottom_part'></div>
            <div class='bottom_part'></div>
            <div class='bottom_hole'></div>
        </div>
        <p>loading</p>
    </div>

</body>

</html>